Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 211-216

Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 217-224

Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 225-238

Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 239-248

Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 249-260

Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 261-265

Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 267-273

Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 275-281

Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 283-290

Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 291-292

Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 293-295

Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 297-299

Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 301-303

Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 305-307

Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 309-312

Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 313-316

Published in Gulf Research Reports, in 1979, in volume 6, issue 3, pages 317-339